Chapter 1 Skin

Question 1

State the 5 layers of the epidermis from bottom to top

Answer 1

1) stratum germinativum
2) stratum spinosum
3) stratum granulosum
4) stratum lucidum
5) stratum corneum

Question 2

Which layer of the epidermis produces melanin ?

Answer 2

Stratum germinativum -produces melanocytes

Question 3

Which layer of the epidermis is not found all over the body ?

Answer 3

Stratum lucidum

Question 4

State the type of nerve endings found in the dermis ?

Answer 4

Sensory nerve endings ~ light, pressure, vibration, mechanical, thermal

Question 5

Name the two types of sudoriferous glands ?

Answer 5

Eccrine

Apocrine

Question 6

What is responsible for making the hair stand on end ?

Answer 6

Arector pili muscle

Question 7

What substance in the dermis makes the skin plump ?

Answer 7

Collagen

Question 8

What is the name of the gland that secrets sebum and where is it ?

Answer 8

Sebaceous gland ~ attached to the hair follicles

Question 9

What substance is the subcutaneous layer made from ?

Answer 9

Fat cells

Question 10

What are the functions of the skin ?

Answer 10

Sensation
Heat regulation 
Absorption 
Protection 
Excretion 
Synthesis ( vitamin d )

Question 11

Which layer of the epidermis produces keratin ?

Answer 11

Stratum granulosum